docs: remove retired workflow instructions and repair references

phases/nonlinear-static-newton-raphson/step11.md

@@ -1,5 +1,8 @@
 # Step 11: equilibrium-projection-and-reference-gate
 
+> 과거 개발 계획이다. 아래 작업·상태·예시는 현재 실행 지시가 아니다.
+> 현재 구현과 검증 한계는 [기능 요약](../../docs/nonlinear-static-newton-raphson/README.md)을 따른다.
+
 ## 목적
 
 USER-DECISION-004 option 1과 `AUDIT-001`을 구현·검증한다. 같은 accepted factor-one state에서
@@ -13,19 +16,19 @@ comparator gate를 사용하며 runtime configuration 또는 product solver acce
 ## 읽어야 할 파일
 
 - `AGENTS.md`
-- `docs/PRD.md`
-- `docs/ARCHITECTURE.md`
-- `docs/ADR.md`
-- `docs/CODINGSTYLE.md`
-- `docs/TOLERANCE.md`
-- `docs/nonlinear-static-newton-raphson/requirements.md`
-- `docs/nonlinear-static-newton-raphson/research.md`
-- `docs/nonlinear-static-newton-raphson/formulation.md` §§11.4, 13.1, 13.4, 14.1
-- `docs/nonlinear-static-newton-raphson/numerical-review.md` §§3.2, 6.2, 6.3
-- `docs/nonlinear-static-newton-raphson/reference-model.md` §§3–6
-- `docs/nonlinear-static-newton-raphson/io.md` §§7.3–7.5.1, 8.1–8.7
-- `docs/nonlinear-static-newton-raphson/implementation-plan.md`
-- `docs/nonlinear-static-newton-raphson/corrections.md` §13
+- `../../docs/solver-core/README.md`
+- `../../docs/solver-core/README.md`
+- `../../docs/solver-core/README.md`
+- `../../docs/solver-core/README.md`
+- `../../docs/solver-core/README.md`
+- `../../docs/nonlinear-static-newton-raphson/README.md`
+- `../../docs/nonlinear-static-newton-raphson/README.md`
+- `../../docs/nonlinear-static-newton-raphson/formulation.md` §§11.4, 13.1, 13.4, 14.1
+- `../../docs/nonlinear-static-newton-raphson/README.md` §§3.2, 6.2, 6.3
+- `../../docs/nonlinear-static-newton-raphson/README.md` §§3–6
+- `../../docs/nonlinear-static-newton-raphson/README.md` §§7.3–7.5.1, 8.1–8.7
+- `../../docs/nonlinear-static-newton-raphson/README.md`
+- `../../docs/nonlinear-static-newton-raphson/README.md` §13
 - `phases/nonlinear-static-newton-raphson/index.json`
 - `include/fesa/analysis/nonlinear_analysis_state.h`
 - `include/fesa/analysis/nonlinear_static_procedure.h`
@@ -45,7 +48,7 @@ comparator gate를 사용하며 runtime configuration 또는 product solver acce
 - `tests/reference/nonlinear_static_reference_comparison.cpp`
 - `tests/reference/nonlinear_static_reference_cases_test.cpp`
 - `tests/CMakeLists.txt`
-- `.harness/config.json`
+- 과거 검증 자료(정리됨)
 - `CMakePresets.json`
 
 ## 이전 Step과 보존 전제
@@ -203,7 +206,7 @@ For internal blocking gates:
   NSNR-069: nonzero matching external scale uses
   `||residual||inf/max(||internal||inf,||external||inf) <= 1e-2`; exact-zero external scale uses
   typed absolute `<=1e-3`. Finite checks occur first.
-- `docs/TOLERANCE.md` is not used for these internal gates.
+- `../../docs/solver-core/README.md` is not used for these internal gates.
 
 ## RED
 
@@ -326,7 +329,7 @@ bytes to a unique build-local directory; run only the copy; consume copied-sibli
   mask-derived keys and complete common-policy error reports.
 - `RM3` and all stress values have no numerical family. Stress files remain hash-audited optional
   inventory; the known fine malformed optional stress key is not repaired.
-- External families use exactly `docs/TOLERANCE.md`: reference-only `S=max(abs(reference))`,
+- External families use exactly `../../docs/solver-core/README.md`: reference-only `S=max(abs(reference))`,
   `B=0.01*S`, near-zero row `abs(error)<=B`, other-row relative `<=0.05`, family
   `RMS(error)/S<=0.01`, exact-zero family exact-zero FESA only. No absolute floor, averaging,
   collapse, row-order identity, clamp or tolerance relaxation.
@@ -365,7 +368,7 @@ The Harness launch environment must be VsDevCmd x64 and inherit `FESA_GTEST_SOUR
 - Fine/coarse global force and moment normalized metrics are each `<=1e-8`; exact-zero scale follows
   the exact-zero rule.
 - Fine/coarse accepted free force and moment residual gates pass NSNR-069 independently.
-- Fine/coarse U blocking and linear U regression pass `docs/TOLERANCE.md`.
+- Fine/coarse U blocking and linear U regression pass `../../docs/solver-core/README.md`.
 - UR differences remain warning-only. Local RF/RM findings remain review-only and cannot fail the
   blocking verdict. RM3/stress remain excluded.
 - Missing/extra/duplicate/nonfinite blocking rows fail before tolerance; warning/review findings are